一種相對扁平的剛性部件,帶或不帶中心孔,用於將環形軸承或套筒軸承固定在合適的外殼中。必須附有用於安裝的鑽孔和/或螺紋孔。不含:端蓋、電動旋轉設備。
flat w/aperture cross-sectional shape style, 4.920 inches nominal outside diameter, 0.375 inches nominal overall thickness, steel corrosion resisting overall material, 2.880 inches nominal aperture diameter